<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - loaders - vox</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>

	<body>
		<div id="info">
		<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - vox loader (<a href="https://ephtracy.github.io/" target="_blank" rel="noopener">Magica Voxel</a>)
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { VOXLoader } from 'three/addons/loaders/VOXLoader.js';

			let camera, controls, scene, renderer;

			init();

			function init() {

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 10 );
				camera.position.set( 0.175, 0.075, 0.175 );

				scene = new THREE.Scene();
				scene.add( camera );

				// light

				const hemiLight = new THREE.HemisphereLight( 0xcccccc, 0x444444, 3 );
				scene.add( hemiLight );

				const dirLight = new THREE.DirectionalLight( 0xffffff, 2.5 );
				dirLight.position.set( 1.5, 3, 2.5 );
				scene.add( dirLight );

				const dirLight2 = new THREE.DirectionalLight( 0xffffff, 1.5 );
				dirLight2.position.set( - 1.5, - 3, - 2.5 );
				scene.add( dirLight2 );

				const loader = new VOXLoader();
				loader.load( 'models/vox/monu10.vox', function ( result ) {

					const mesh = result.scene.children[ 0 ];
					mesh.position.y = 0;
					mesh.scale.setScalar( 0.0015 );
					scene.add( mesh );

				} );

				// renderer

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				document.body.appendChild( renderer.domElement );

				// controls

				controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = .1;
				controls.maxDistance = 0.5;

				//

				window.addEventListener( 'resize', onWindowResize );

			}

			/*
			function displayPalette( palette ) {

				const canvas = document.createElement( 'canvas' );
				canvas.width = 8;
				canvas.height = 32;
				canvas.style.position = 'absolute';
				canvas.style.top = '0';
				canvas.style.width = '100px';
				canvas.style.imageRendering = 'pixelated';
				document.body.appendChild( canvas );

				const context = canvas.getContext( '2d' );

				for ( let c = 0; c < 256; c ++ ) {

					const x = c % 8;
					const y = Math.floor( c / 8 );

					const hex = palette[ c + 1 ];
					const r = hex >> 0 & 0xff;
					const g = hex >> 8 & 0xff;
					const b = hex >> 16 & 0xff;
					context.fillStyle = `rgba(${r},${g},${b},1)`;
					context.fillRect( x, 31 - y, 1, 1 );

				}

			}
			*/

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				controls.update();

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>
